US Department of Transportation 

Docket Operations 

West Building Ground Floor, Room W12-140 

1200 New Jersey Avenue, SE. 

Washington, D.C. 20590 USA 

"1)1 ' . . :.. ' ~ < 

Attached please find copies of the Petition for exemption applicable to: Flight Data recorders: filtered 

data Regulation. These are being resubmitted as a recommendation of Dassault Falcon due to modified 

wording. Also attached are the receipts for the original petitions. 

The airplanes in reference are F900EX-EASy s/n 132 N590CL and F900EX-EASY s/n 152 N592CL. They 

were granted Exemption on April1, 2014 (Regulatory Docket No. FAA-2013-1047, Exemption No. 10971) 

Again, this is only being resubmitted as a recommendation of Dassault Falcon. 

Scott W. Spjuth 

Director of Maintenance 

Northern Illinois Flight Center 

743 Sumac Road 

Wheeling, IL. 60090 

847 537-1205 Phone 

847 541-2252 fax 
'· ·--' 

Regulations.gov - Your Receipt Page 1 of2 

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For related information, Open Docket Folder ~ 

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"'' ..... -

Please contact Scott W. Spjuth 

743 Sumac Road 

Wheeling, IL. 60090 

Tel: 847 537-1205 

PWK. 4/10/2014 

US Department of Transportation 

Docket Operations 

West Building Ground Floor, 

Room W12-140 

1200 New Jersey Avenue, SE. 

WASHINGTON, D.C. 20590 USA 

Fax: 847 541-2252 

SUBJECT: F900EX-EASy N590CL- Petition for Exemption 

Applicable to: Flight data recorders: filtered data Regulation 

Reference: Docket No F AA-2006-26135- Flight data recorders: filtered data Regulation, Final Rule 
Dear Sir or Madam: 

In accordance with the provisions of Title 14, Code of Federal Regulations (14 CFR) § 11.61, Northern 

Illinois Flight Center, for F900EX-EASy N590CL, we submit a petition for an exemption from a section of 

14CFR Part 135.156. 

You will find in attachment to this letter the necessary information to support our petition. 

Should you have any question, please do not hesitate to contact us at the following address: 

Scott W. Spjuth 

743 Sumac Road 

Wheeling, IL 60090 

847 537-1205 Phone 

847 541-2252 fax 

mail to: 

Northern Illinois Flight Center 

743 Sumac Road 

Wheeling, IL 60090 

Petition For Exemption 

In accordance with the requirements of 14 CFR §11.81(a)-(g), we provide the following detailed 

information in support of our petition: 

14 CFR 11.8l(a)- Contact information: 

Scott W. Spjuth 

743 Sumac Road 

Wheeling, IL 60090 

847 537-1205 Phone 

847 541-2252 fax 

mailto: 

Northern Illinois Flight Center 

743 Sumac Road 

Wheeling, IL 60090 
, 

_ ..... 

14 CFR 11.81 (b) - Specific section from which relief is sought: 

For F900EX-EASy N590CL, we request relief from the following portion of 14 CFR: 

§135.156, Arndt 135-120, Flight data recorders: filtered data 

(d) Compliance. Compliance is required as follows: 

(4) After April21, 2014, no aircraft flight data recording system may filter any parameter 

listed in paragraph (c) of this section that does not meet the requirements of Appendix D or F of 

this part, unless the certificate holder possesses test and analysis procedures and the test results 

that have been approved by the FAA. All records of tests, analysis and procedures used to comply 

with this section must be maintained as part of the correlation documentation required by § 

135.152 (f)(1)(iii) or (f)(2)(iii) of this part as applicable. 

14 CFR 11.81(c)- Extent and reason for seeking relief: 

For F900EX-EASy N590CL, we are requesting an exemption from compliance with the above listed portion of 

the flight data recorders. Compliance with the regulations requires retrofit with EASy II upgraded avionics 

Load. Considering the large amount of Falcon aircraft being retrofitted with EASy II upgraded avionics, there 

is a significant waiting time before being accepted in a Service Center for retrofit. The amount of aircraft 

retrofitted monthly is limited worldwide, by the large amount of equipments to supply. Finally, this retrofit 

requires a significant downtime to adapt to scheduled maintenance checks in a way to maintain reasonable 

operational use of our aircraft. After review, we plan to retrofit our aircraft with EASY II upgraded avionics 

July 24,2014. 

14 CFR 11.8l(d)- Public interest I benefit:. 

Northern Illinois Flight Center is a Part 135 Air Carrier certificated in accordance with 14 CFR Part 135. 

Northern Illinois Flight Center operated aircraft, to include F900EX-EASy N590CL, are offered for charter 

services to the public. Northern Illinois Flight Center charter clientele are primarily business leaders that find it 

necessary to charter an aircraft in order to maximize their time and availability to operate their business. 

Chartered aircraft allow business executives and key personnel the flexibility to quickly react and meet 

obligations to advance their business, thereby strengthening the company's position and help to provide a 

stable job market, which in tum strengthens the US economy. Considering that a temporary exemption to 

allow operations with filtered parameters has no direct impact on the safety of that individual aircraft, denial of 

service to these business leaders to quickly react, grow their companies and provide much 

needed jobs, would be an undue burden on the public as a whole. 

14 CFR 11.81(e)- Information supporting this petition: 

This petition for exemption is related to the Flight Data recorder: data filtering to be removed, as 

mandated by 14 CFR §§135.156 Amendment 135-120. This exemption, if granted, would allow us to 

benefit from the commercial use ofF900EX-EASy N590CL between April, 21, 2014 and July 24,2014. 

If this petition is denied, then commercial flight operations ofF900EX-EASy N590CL will have to be 

interrupted until EASy II upgraded avionics retrofit is applied. 
Granting this exemption would not affect nor degrade the inherent safety of the airplane. This exemption 

deals only with the recording of pitch control surface position (parameter 15), lateral control surface 

position (parameter 16), yaw control surface position (parameter 17) and cockpit flight control input forces 

(parameter 88); it therefore has no impact on operational safety. 

14 CPR 11.81(±)- Federal Register summary: 

Petitioner: Northern Illinois Flight Center 

Affected Regulations: 14 CPR §135.156(d)(4), Arndt 135-120. 

Summary ofReliefSought: Northern Illinois Flight Center, seek exemption from section 14 CPR part 135.156 

to allow F900EX-EASy N590CL to operate with filtered data from April, 21, 2014 to July 24, 2014. 

14 CPR 11.8l(g)- Additional information: 

Granting this petition would have no effect on the regulatory burden of small businesses, small 

organizations, small governmental jurisdictions. 

Granting of this petition would have no effect on the recordkeeping and reporting burdens for any 

involved parties. 
Regulations.gov - Your Receipt Page 1 of2 

·-·· .. .. '" .. ~_,,, ,., ····--· ··-·---·· .. -·--·····"· .... ,, ........ ···-· ·--~··· ·-----~-----· .. ·· --·-·-···"-'·····--· ...... ., .............. -----.. --~--~"'·····---~- ........ .,.,.,, __ .,, .... ., ............. ~~-..... ,... .. _.... ..... ___ .......... -............. ,.......... ....... .. 

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The Federal Aviation Administration (FAA) Rule: Filtered Flight Data 

For related information, Open Docket Folder ~) 

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• N592CL DFDR petition.docx: success 

.......................... ., ........................................... . 

This information will appear on 

Regulations.gov: 

First Name: Country: 

Scott United States 

last Name: State or 

Spjuth Province: 

IL 

Mailing 

Address: ZIP/Postal 

745 Sumac Code: 

Road 60090 

. ..................... .,,, .. ········ .. ,,., ... , .................. -·· ............................ -. .. .. 

This information will not appear on 

Regulations.gov: 

Email 

Address: 

scotts@cesc.com 

Phone 

Number: 

847 537/1205 

.......... ··---·-- ____ ........................................ -............................... . 

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http://www.regulations.gov/ 

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'' 

'. 

Regulations.gov - Your Receipt 

City: 

Wheeling 

http://www.regulations.gov/ 

Fax Number: 

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Page 2 of2 I 

I 

I 

1-

12/20/2013 
Please contact Scott W. Spjuth 

743 Sumac Road 

Wheeling, IL. 60090 

Tel: 847 537-1205 

PWK 4/10/2014 

US Department of Transportation 

Docket Operations 

West Building Ground Floor, 

Room Wl2-140 

1200 New Jersey Avenue, SE. 

WASHINGTON, D.C. 20590 USA 

Fax: 847 541-2252 

SUBJECT: F900EX-EASy N592CL- Petition for Exemption 

Applicable to: Flight data recorders: filtered data Regulation 

Reference: Docket No FAA-2006-26135- Flight data recorders: filtered data Regulatioh, Final Rule 
Dear Sir or Madam: 

In accordance with the provisions ofTitle 14, Code ofFederal Regulations (14 CFR) §11.61, Northern 

Illinois Flight Center, for F900EX-EASy N592CL, we submit a petition for an exemption from a section of 

14CFRPart 135.156. 

You will find in attachment to this Jetter the necessary information to support our petition. 

Should you have any question, please do not hesitate to contact us at the following address: 

Scott W. Spjuth 

743 Sumac Road 

Wheeling, IL 60090 

847 537-1205 Phone 

847 541-2252 fax 

mail to: 

Northern Illinois Flight Center 

743 Sumac Road 

Wheeling, IL 60090 

Petition For Exemption 

In accordance with the requirements of 14 CFR § 11.81 ( a)-(g), we provide the following detailed 

information in support of our petition: 

14 CFR 11.81(a)- Contact information: 

Scott W. Spjuth 

743 Sumac Road 

Wheeling, IL 60090 

847 537-1205 Phone 

847 541-2252 fax 

mail to: 

Northern Illinois Flight Center 

743 Sumac Road 

Wheeling, IL 60090 
14 CFR 11.81(b)- Specific section from which relief is sought: 

For F900EX-EASy N592CL, we request relief from the following portion of 14 CFR: 

§ 135.156, Arndt 135-120, Flight data recorders: filtered data 

(d) Compliance. Compliance is required as follows: 

(4) After April21, 2014, no aircraft flight data recording system may filter any parameter 

listed in paragraph (c) of this section that does not meet the requirements of Appendix D or F of 

this part, unless the certificate holder possesses test and analysis procedures and the test results 

that have been approved by the FAA. All records of tests, analysis and procedures used to comply 

with this section must be maintained as part of the correlation documentation required by§ 

135.152 (f)(l)(iii) or (f)(2)(iii) of this part as applicable. 

14 CFR 11.81(c)- Extent and reason for seeking relief: 

For F900EX-EASy N592CL, we are requesting an exemption from compliance with the above listed portion of 

the flight data recorders. Compliance with the regulations requires retrofit with EASy II upgraded avionics 

Load. Considering the large amount of Falcon aircraft being retrofitted with EASy II upgraded avionics, there 

is a significant waiting time before being accepted in a Service Center for retrofit. The amount of aircraft 

retrofitted monthly is limited worldwide, by the large amount of equipments to supply. Finally, this retrofit 

requires a significant downtime to adapt to scheduled maintenance checks in a way to maintain reasonable 

operational use of our aircraft. After review, we plan to retrofit our aircraft with EASY II upgraded avionics 

July 24,2014. 

14 CFR 11.81(d)- Public interest I benefit:. 

Northern Illinois Flight Center is a Part 135 Air Carrier certificated in accordance with 14 CFR Part 135. 

Northern Illinois Flight Center operated aircraft, to include F900EX-EASy N592CL, are offered for charter 

services to the public. Northern Illinois Flight Center charter clientele are primarily business leaders that find it 

necessary to charter an aircraft in order to maximize their time and availability to operate their business. 

Chartered aircraft allow business executives and key personnel the flexibility to quickly react and meet 

obligations to advance their business, thereby strengthening the company's position and help to provide a 

stable job market, which in turn strengthens the US economy. Considering that a temporary exemption to 

allow operations with filtered parameters has no direct impact on the safety of that individual aircraft, denial of 

service to these business leaders to quickly react, grow their companies and provide much · 

needed jobs, would be an undue burden on the public as a whole. 

14 CFR 11.81(e)- Information supporting this petition: 

This petition for exemption is related to the Flight Data recorder: data filtering to be removed, as 

mandated by 14 CFR §§135.156 Amendment 135-120. This exemption, if granted, would allow us to 

benefit from the commercial use ofF900EX-EASy N592CL between April, 21, 2014 and July 24,2014. 

If this petition is denied, then commercial flight operations ofF900EX-EASy N592CL will have to be 

interrupted until EASy II upgraded avionics retrofit is applied. · 
Granting this exemption would not affect nor degrade the inherent safety of the airplane. This exemption 

deals only with the recording of pitch control surface position (parameter 15), lateral control surface 

position (parameter 16), yaw control surface position (parameter 17) and cockpit flight control input forces 

(parameter 88); it therefore has no impact on operational safety. 

14 CFR 11.81(f)- Federal Register summary: 

Petitioner: Northern Illinois Flight Center 

Affected Regulations: 14 CFR § 13 5 .156( d)( 4 ), Arndt 13 5-120. 

Summary ofReliefSought: Northern Illinois Flight Center, seek exemption from section 14 CFR part 135.156 

to allow F900EX-EASy N592CL to operate with filtered data from April,21, 2014 to July 24,2014. 

14 CFR 11.81(g)- Additional information: 

Granting this petition would have no effect on the regulatory burden of small businesses, small 

organizations, small governmental jurisdictions. 

Granting of this petition would have no effect on the recordkeeping and reporting burdens for any 

involved parties. 
.. 

Exemption No. 10971 

UNITED STATES OF AMERJCA 

DEPARTMENT OF TRANSPORTATION 

FEDERAL AVIATION ADMINISTRATION 

WASHINGTON, DC 20591 

In the matter of the petition of 

OPERATERS OF CERTAIN 

DASSAULT FALCON 900DX, 

900LX, 900EX EASy, 2000EX, 

2000EX EASy and 2000LX 

AIRPLANES 

for an exemption from§ l35.156(d)(4) 

of Title 14, Code ofFederal Regulations 

Regulatory Docket No. FAA-~013-1047 

GRANT OF EXEMPTION 

By letter dated November 22,2013, Greg Paxson, Director of Maintenance, TWC Aviation, 

Inc.(TWC), 16700C Roscoe Blvd., Van Nuys, CA, 91406, petitioned the Federal Aviation 

Administration (FAA) for exemption from§ 135.156(d)(4) of Title 14, Code ofFederal 

Regulations (14 CFR). This exemption, if granted, would allow one Dassault Falcon2000EX 

EASy and three Dassault Falcon 2000LX airplanes to continue to operate without complying 

with the prohibition on the filtering fight recorder data of§ 135.156(d)(4). 

Between December 11,2013 and January 31, 2014; the FAA received nine more petitions for 

exemption for 14 similar Falcon aircraft operating under 14 CFR Part 135. 

The petitioners request relief from the following regulation: 

Section135.156(d)(4) requires in pertinent part that, after April21, 2014, no aircraft flight 

data recording system may filter any specified parameter unless the certificate holder 

AFS-14-073-E 
2 

possesses test and analysis procedures and test results that have been approved by the FAA, 

and maintains that data as part of its required correlation documentation. 

The petitioners support their request with the following information: 

The initial petitioner, TWC Aviation, stated that compliance with the regulation requires an 

avionics system upgrade to the EASy IT avionics load. Because of the "large amount of 

aircraft being retrofitted" the petitioner noted that there is a significant waiting time to be 

accepted into a facility that can complete the upgrade, and that supply of the equipment is 

equally limited. TWC also noted that there is significant down time associated with the 

installation of the equipment and that operators seek to install the upgrade during scheduled 

maintenance checks to "maintain reasonable operational use" of their airplanes. Honeywell, 

the manufacturer of the upgrade equipment, gave TWC retrofit dates between July 2014 and 

January 2015 as to when it could accommodate the petitioner's four airplanes. 

Subsequent petitioners included the identical information and justifications, including 

differing retrofit availability dates that they have been quoted between April and September 

2014. One petitioner gave an unspecified time in2015 for installation, and one requested 18 

months from the compliance date to account for schedule slippage by the service centers. 

At least one petitioner included as part of its submission a Dassault Falcon Service Advisory 

notice, stating that the petitioner's airplane was filtering data and that Dassault and Honeywell 

would not be able to schedule an upgrade at a service center before the regulation takes effect 

on April21, 2014. The materials sent by the manufacturers to petitioners indicates that four 

parameters are subject to filtering by software with a "cut-off frequency inside the operational 

bandwidth of the sensor." These parameters are number 15, pitch control surface position, 

number 16, lateral control surface position, number 17, yaw control surface position, and 

parameter 88, cockpit control input forces, the last in certain 900EX airplanes. The Service 

Advisory indicated that operators should petition the FAA for an exemption, and provided the 

boilerplate language used by many of the subsequent petitioners. 

On January 31,2014, William E. Cummins, Acting Chieflnspector, NetJets Aviation, Inc., 

4111 Bridgeway Avenue, Columbus, OH 42319 (Docket No. F AA-2014-0002) resubmitted 

its request indicating that Dassault had updated its Falcon Service Advisory FSA-31-30-006-

R04:..B as of January 14,2014, but did not include a copy of the advisory or describe what may 

have changed from the previous advisory. 

Each of the petitioners cited significant financial impact on its operation if it was tillable to 

continue to operate the affected airplanes until they could install the upgrade. The petitioners 

also noted that the offered EASy II avionics upgrade offers other functionalities such as ADSBOut, FANSlA, ATNB1 and LPV. 
3 

As a group, the petitioners noted that a grant of exemption "would not affect nor degrade the 

· inherent. safety of the aircraft" and that since it only affected recorded data, it would have "no 

impact on operational safety." 

A summary of the petition ofTWC Aviation, Docket No. FAA-2013-1047, was published in 

the Federal Register on January 21, 2014 (79 FR 3455). Comments on the petition were due 

February 10,2014. No comments were received. 

The FAA's analysis is as follows: 

The FAA amended the regulations prohibiting flight data recording filtering in 2010, with four 

years for compliance. Materials submitted by the petitioners indicate that they may have been 

unaware of the filtering taking place on their airplanes and the aircraft and avionics 

manufacturers' inability to schedule compliant equipment upgrades as late as October 2013. 

While each operator remains responsible for the operation of its airplanes and the equipment 

installed on it, the FAA understands that some operators have experienced unforeseen delays 

in scheduling their airplanes for upgrade for reasons not under their control. 

The FAA finds that good cause exists to allow additional time to retrofit the subject aircraft 

with compliant equipment. The FAA does not agree with any assertion that flight recorder 

systems are not safety equipment simply because they do not affect the operation of a given 

flight. Flight recorder data are often the only evidence of airplane problems available to 

investigators following aircraft accidents and incidents, and filtered data were shown to have 

significantly inhibited the investigation of the cause of a well-known aircraft accident, 

possibly delaying the corrective action that was necessitated. However, because the subject 

airplanes will still be recording flight data and the limitations are known, the FAA agrees that 

a limited time to complete the upgrades is appropriate and that the public interest will be 

served by allowing continued operation of a limited number of airplanes. 

This grant of exemption includes a list of the identified airplanes that may take advantage of 

this exemption relief. Relief is limited to those airplanes identified in the list. Operators of 

other airplanes of the models noted may petition the FAA to be included in the relief, but must 

have written FAA approval before such relief may be exercised. All of the airplanes included 

on this list are subject to all of the conditions and limitations included in this petition even if 

they differ from a petitioner's initial request. Operators that fail to comply with all ofthe 

listed conditions and limitations are prohibited from continued use of their airplanes after 

April21, 2014, until the aircraft are fully compliant with §135.156(d). 

All modifications to airplanes necessary to comply with the flight recorder filtering 

regulations of 14 CFR Part 135 must be completed as soon as possible, and no later than 16 

months from the date of this exemption. Once modifications are completed on an airplane, 

the relief provided by this exemption tenninates. No extensions of this exemption will be 

considered. 
4 

The FAA's Decision 

In consider~tion of the foregoing) I find that a grant of exemption is in the public interest. 

Therefore, pursuant to the authority contained in 49 U.S.C. §§ 1 06(f), 40113 and 44701 

delegated to me by the Administrator) the petition for an exemption from 14 CFR 

§ 13 5 .156( d) is granted to the extent necessary to allow the operators of the Dassault Falcon 

airplanes described in item 9 below to temporarily operate these airplanes subject to the 

conditions and limitations listed herein. 

Conditions and Limitations 

1. This exemption applies only to the airplanes listed in the table included in item 9 below. 

2. In order to continue the operation of any airplane identified in this exemption, each operator 

of an affected airplane must, within 10 days of the issuance of this exemption but not later 

than April181h, 2014, submit a letter to its principal inspector requesting to use this exemption 

including: 

a. A list of the airplanes that the operator has determined are subject of this 

exemption, identified by model, serial and current registration numbers; and 

b.· Acknowledgement of the conditions and limitations listed in this exemption as the 

basis for continued operation of the airplane until it is modified. 

3. The letter required in item 2 must also be filed concurrently in Regulatory Docket No. 

FAA-2013-104 7 by the operator requesting the relief. 

4. This exemption allows for the continued operation of affected aircraft with a DFDR that 

records filtered flight data for parameters 15, 16, 17 and 88 as described in 14 CFR Section 

135.152(11), as applicable. No other relief from any other parameter or other flight recorder 

provision of Part 135 is granted by this exemption. 

5. Use of this exemption is not transferable to a subsequent operator of an affected airplane 

without the prior written approval of the FAA. Use by a subsequent operator is subject to 

· written request and FAA approval before the airplane may be operated. 

6. A copy of this exemption must be retained with the operator's DFDR correlation 

documentation as specified in 14 CFR Section 135.152 as applicable until the airplane 

identified in this exemption has been modified pursuant to this exemption. 

7. In the event of an accident or incident after which the DFDR data must be sent to the FAA 

or the National Transportation Safety Board, the operator must provide a copy of this 

exemption. 
. ' 

5 

8. Within 10 days of submission of the letter required in item 2. above, the operator must 

provide to its principal avionics inspector a schedule for the completion of the modifications 

required to bring each airplane into compliance with the applicable regulation. Such schedule 

may not extend beyond the date of termination of this exemption. Monthly updates of the 

modification schedule must be provided by each operator to its principal avionics inspector 

until the modifications are complete and each airplane complies with 14 CFR § 135.156(d). 

9. Table of Affected Aircraft 

Make/Model Serial Number 

F2000EX EASy 35 

F2000EX EASy 45 

F2000EX EASy 46 

F2000EX EASy 50 

F2000EX EASy 53 

F2000EX EASy 54 

F2000EX EASy 55 

F2000EX EASy 59 

F2000EX EASy 69 

F2000EX EASy 86 

F2000EX EASy 91 

F2000EX EASy 107 

F2000EX EASy 110 

F2000EX EASy 115 

F2000EX EASy 141 

F2000LX 151 

F2000LX 155 

F2000LX 158 

F2000LX 168 

F2000LX 170 

F2000LX 200 

F2000LX 207 

F2000LX 241 

F2000LX 248 

F2000LX 250 

F900LX 259 

F900LX 261 

F2000DX 601 

F900EXEASy 97 

F900EXEASy 132 

F900EX EAS_y 136 
- ;:.. 

6 

F900EXEASy 139 

F900EXEASy 152 

F900EXEASv 160 

F900EXEASy 174 

F900EXEASy 181 

F900EXEASy 193 

F900EXEASy 199 

F900EXEASy 232 

This exemption terminates on the sooner of the installation of the software update correcting 

. the problem as stated above, or August 31, 2015 unless sooner superseded or rescinded. 

Issued in Washington, DC, on APR 01 2014 

ohn s. Duncan 

Director, Flight Standards Service